Base | Representation |
---|---|
bin | 10001100011110… |
… | …01101010101001 |
3 | 101021011120012222 |
4 | 20301321222221 |
5 | 300202031420 |
6 | 22341043425 |
7 | 3436010051 |
oct | 1061715251 |
9 | 337146188 |
10 | 147298985 |
11 | 761679a9 |
12 | 413b6575 |
13 | 24694682 |
14 | 157c4561 |
15 | cde9225 |
hex | 8c79aa9 |
147298985 has 8 divisors (see below), whose sum is σ = 176863176. Its totient is φ = 117769600.
The previous prime is 147298973. The next prime is 147299017. The reversal of 147298985 is 589892741.
147298985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 20241001 + 127057984 = 4499^2 + 11272^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-147298985 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757 + ... + 17253.
It is an arithmetic number, because the mean of its divisors is an integer number (22107897).
Almost surely, 2147298985 is an apocalyptic number.
It is an amenable number.
147298985 is a deficient number, since it is larger than the sum of its proper divisors (29564191).
147298985 is a wasteful number, since it uses less digits than its factorization.
147298985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17403.
The product of its digits is 1451520, while the sum is 53.
The square root of 147298985 is about 12136.6793234393. The cubic root of 147298985 is about 528.1207743789.
The spelling of 147298985 in words is "one hundred forty-seven million, two hundred ninety-eight thousand, nine hundred eighty-five".
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